In some parts of the world, the popularity of taking a personal DNA test is increasing. Why do some people want to do this? Is this development positive or negative? Give reasons for your answer.

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All Human being characteristics are intertwined in genetic materials that are transmitted by chromosomes from our parents. Our phenotype and many inherited
diseases
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, especially cancers and inborn error of metabolism
diseases
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can be detected by checking DNA sequences;
that is
Linking Words
called genetic mapping. There are controversies about the pros and cons aspects of
this
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trend. On the one hand, awareness of genetic mapping can discover the chance and probability of expression of many ailments.
For example
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, early detection of a
cancer
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suppressor gene which is called P53 and located on the short arm of the 6th autosomal chromosome can envisage the happening of prostate
cancer
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in males.
therefore
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men who have the gene can measure some trends,
such
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as dietary restrictions and regular follow-ups to prevent or early detection of
cancer
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.
Therefore
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, genetic mapping can advance survival.
On the other hand
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, understanding genetic mapping and DNA sequence which may predict the chance of acquiring
cancer
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or fatal
diseases
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, produce
the
Correct article usage
a
show examples
high level of stress and possible over-treatment.
For instance
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, some female celebrities have done preventive mastectomies due to the detection of breast
cancer
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gene 2 in recent years.
This
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may be over-treatment because it is not 100% accurate in the early diagnosis of tumours.
This
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trend increases the cost and stress for people. To sum up, taking personal DNA mapping is a two-edged sword. In my opinion, in selected persons with a family history of
cancer
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or genetic ,
diseases
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this
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test may be helpful and cost-effective.
Submitted by dr.mansoori41 on

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Topic Vocabulary:
  • genealogical roots
  • ethnic backgrounds
  • genetic predispositions
  • preventative care
  • personal identity
  • genetic makeup
  • biological relatives
  • ethical considerations
  • privacy concerns
  • scientific research
  • medical breakthroughs
  • DNA databases
  • genetic information
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